According to reports, all four were killed in an accident.
They had reportedly gone on a trip when their vehicle met with an accident. Their bodies were recovered at a depth of 200 feet from Ziro point, reports stated.
The deceased have been identified as Nayan Basumatary, Bedanta Barmehela from Nagaon district in Assam and Hirak Bodo of Sonapur and Sanjib Das of Tezpur.
Their bodies were found at the foot of the Dirang hills. The vehicle in which they were travelling was found lying nearby.
It may be noted that they had been reported missing since July 19 (Tuesday).